Home / 212,384.16-318,773.07-107,276.94

Finding the Fourth Proportional to 212,384.16, 318,773.07 and 107,276.94

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Solution

The fourth proportional to 212,384.16, 318,773.07 and 107,276.94 is: 161,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,384.16 : 318,773.07 = 107,276.94 : x
  2. Step 2: Convert to fraction form
    212,384.16/318,773.07 = 107,276.94/x
  3. Step 3: Cross multiply
    212,384.16x = 318,773.07 × 107,276.94
  4. Step 4: Simplify right side
    212,384.16x = 34,196,999,504.01
  5. Step 5: Solve for x
    x = 34,196,999,504.01/212,384.16
  6. Step 6: Final answer
    x = 161,014.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.